Alert archive / Vermont / Flash Flood Warnings in 1986
Flash Flood Warning 5, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Aug 6, 1986, 8:48 PM EDT for Addison County, Windsor County, Vermont. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 6, 1986, 8:48 PM EDT (00:48 UTC)
- Expired
- Aug 6, 1986, 11:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
Counties Addison County, VT, Windsor County, VT
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Gray, ME (KGYX), launched 00:00Z, 0.8 hours before the alert went out and 209 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3588 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAAVT KBTV 070050 FFWBTV VTC001-027-070345- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BURLINGTON VT 848 PM EDT WED AUG 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF VERMONT...EXTREME SOUTHERN ADDISON AND EXTREME NORTHERN WINDSOR AT 840 PM THE BURLINGTON WEATHER RADAR WAS SHOWING THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTHERN ADDISION AND NORTHERN WINDSOR COUNTIES OF VERMONT. THESE STORMS WERE NEARLY STATIONARY. THIS STORM ALSO CONTAINS FREQUENT LIGHTNING. REMEMBER..LIGHTNING CAN BE A KILLER. THIS THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS..ROADS AND UNDERPASSES. DOWNPOURS MAY BRING STREAM LEVELS UP VERY FAST. MAKE SURE OF AN ACCESS ROUTE TO HIGH GROUND THAT WON/T BE CUT OFF BY RISING WATERS. DON/T DRIVE OVER FLOODED ROADS OR BRIDGES. WATER ON ROADS MAY HIDE DANGEROUS WASHOUTS. ALSO..DON/T TRY TO WADE ACROSS STREAMS OR RIVERS WHERE THE WATER IS HIGH. YOU COULD EASILY BE WASHED AWAY. IF THREATENING WEATHER APPROACHES..GO TO A SAFE PLACE RIGHT AWAY. ONCE THE STORM PASSES..CALL AND REPORT ANY SEVERE WEATHER TO YOUR NEAREST LAW ENFORCMENT PEOPLE. ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN BURLINGTON.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 6, 5:22 PM EDT, 3 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 515 PM EDT THU AUG 6 1986 NUMEROUS THUNDERSTORMS HAVE DEVELOPED OVER VERMONT AND EASTERN NEW YORK. THUNDERSTORMS HAVE DEVELOPED QUITE RAPIDLY LATE THIS AFTERNOON WITH SOME BECOMING QUITE HEAVY. AT 345 PM THE PUBLIC REPORTED 1/2 INCH HAIL AT CHARLOTTE VERMONT. AT 5 PM THE BURLINGTON WEATHER RADAR WAS SHOWING MANY THUNDERSTORMS AROUND THE REGION. THE HEVIEST WAS LOCATED OVER SOUTHERN SARATOGA COUNTY NEW YORK. OTHER THUNDERSTORMS WERE JUST EAST OF LAKE GEORGE AND NORTHWEST OF SARANAC LAKE. IN VERMONT THUNDERSTORMS WERE LOCATED JUST NORTH OF MILTON AND MOVING INTO CENTRAL GRAND ISLE COUNTY. SOME OF THESE STORMS WILL CONTAIN HAIL, HEAVY RAIN, FREQUENT LIGHTNING AND GUSTY WINDS. IF THREATENING WEATHER COMES YOUR WAY SEEK SHELTER INDOORS. IF YOU ARE BOATING ON ANY OF VERMONT WATERWAYS..YOU SHOULD KEEP ALERT TO WEATHER CONTITIONS AND BE PREPARED TO SEEK SAFE HARBOR". END/ADAMSON..
Special weather statement, Aug 6, 6:21 PM EDT, 2 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 620 PM EDT THU AUG 6 1986 HEAVY THUNDERSTORMS CONTINUE TO RUMBLE JUST SOUTH OF BURLINGTON. THE PUBLIC REPORTED AT 550 PM THAT A HEAVY THUNDERSTORM PASSED ABOUT 15 MILES SOUTH OF BURLINGTON. THE STORM PRODUCED WIND GUSTS THAT BLEW DOWN A GRARGE. THIS STORM HAS MOVED EAST. ALSO THE GREEN MOUNTAIN POWER COMPANY REPORTED MANY POWER INTERUPTIONS FROM LIGHTNING STRIKES IN THE SAME AREA. OTHER THUNDERSTORMS AND SHOWERS WERE JUST TO THE EAST AND WEST OF THE QUEEN CITY. SOME OF THESE STORMS WILL CONTAIN STRONG WIND GUSTS..HEAVY RAIN.. POSSIBLE HAIL AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPORACHES WHERE YOU ARE..SEEK SHELTER INDOORS. OTHER SHOWERS WERE LOCATED NEAR BENNINGTON AND OVER NORTHWEST WINDHAM COUNTY. IN NEW YORK STATE SHOWERS AND JPOSSIBLE TJUNDERSTORMS WERE OVER SOUTHERN C.LINTON AND NORTHERN ESSEX COUNTIES. ALL PRECIPITATION WAS MOVING TOWARD JTHE EAST AT 25 MPH. END/ADAMSON..
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 9:50 PM EDT | Severe Thunderstorm Warning | BTV | Rutland | 60 min |
Nearby
Flash Flood Warnings in Vermont, 1986Every flash flood warning in 1986
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.